Home / 66,864.79-92,269.53-40,007.06

Finding the Fourth Proportional to 66,864.79, 92,269.53 and 40,007.06

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Solution

The fourth proportional to 66,864.79, 92,269.53 and 40,007.06 is: 55,207.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,864.79 : 92,269.53 = 40,007.06 : x
  2. Step 2: Convert to fraction form
    66,864.79/92,269.53 = 40,007.06/x
  3. Step 3: Cross multiply
    66,864.79x = 92,269.53 × 40,007.06
  4. Step 4: Simplify right side
    66,864.79x = 3,691,433,026.56
  5. Step 5: Solve for x
    x = 3,691,433,026.56/66,864.79
  6. Step 6: Final answer
    x = 55,207.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.